The Basetrip - Cities - Travel information for 650+ cities & 230+ countries
Guides by Lonely Planet - Explore city guides curated by experts.
EntryAdvise.com - With EntryAdvise, you can check COVID restrictions, the entry requirements and useful travel info for all countries. It makes a good resource for frequent-travelers and backpackers.
Maply - Waze for things to do 🗺
Sygic Travel Maps - Itinerary planner for independent travelers
Lonely Planet - travel guide book publisher